The word ecosystem was coined by:

Related Mcqs:

1. In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:

   A. Primary and secondary consumers are similar
   B. Both biotic and abiotic components are different
   C. The biotic components are almost similar
   D. The abiotic components are almost similar

2. Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:

   A. Pinus nigra – Japan
   B. Euralyptus – Australia
   C. Polunia – China
   D. All of the above

3. The term ‘bio-coenosis’ was coined by:

   A. Tansley
   B. Warming
   C. Carl Mobius
   D. S.C.Pandya

4. The term ‘ethology’ was coined by:

   A. Reiter
   B. Haeckel
   C. Warming
   D. Hilaire

5. The term smog coined by:

   A. Tansley
   B. Odum
   C. Clements
   D. Des Voeux

6. The term succession was coined by:

   A. Tansley
   B. Hult
   C. Hodges
   D. Kormondy

7. The pyramid that cannot be inverted in a stable ecosystem is the pyramid of:

   A. Energy
   B. Number
   C. Biomass
   D. All of these

8. In a forest ecosystem, the numerical relationship between the producers and herbivores:

   A. Producers more than herbivores
   B. Producers equal to herbivores
   C. Producers less than herbivores
   D. Variable

9. In natural ecosystem, decomposers include:

   A. Only two types of organisms
   B. Only two types of organisms plus macroscopic animals
   C. Only microscopic animals
   D. Only bacteria and fungi

10. Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?

    A. Tertiary Production
    B. Gross Production (GP)
    C. Net Production (NP)
    D. Secondary Production